FIELD: locking devices. SUBSTANCE: this mechanism increases reliability of lock operation. It has body and turnable bush which is kinematically linked with latch of lock. Made in them are radial coaxial holes. Some of these holes are coaxial to holes made in key. Seated in each hole which is coaxial to hole in key is single ball and its diameter is larger than thickness of wall of turnable bush. Also provided is limiter which is located between ball and external surface of body. Seated in each of remaining holes are two balls. Diameter of one of these two balls which is in contact with key is not larger than thickness of wall of turnable bush. These holes are located so that gravitational forces acting on balls seated in aforesaid holes are directed towards center of cylindrical mechanism. EFFECT: higher efficiency. 3 dwg
| Title | Year | Author | Number |
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|
RU2167252C1 |
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RU2131011C1 |
